51436327337465 has 32 divisors (see below), whose sum is σ = 70596049305600. Its totient is φ = 35243231788224.

The previous prime is 51436327337449. The next prime is 51436327337467. The reversal of 51436327337465 is 56473372363415.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51436327337465 - 2⁴ = 51436327337449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51436327337467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344906486 + ... + 345055584.

It is an arithmetic number, because the mean of its divisors is an integer number (2206126540800).

Almost surely, 2^{51436327337465} is an apocalyptic number.

It is an amenable number.

51436327337465 is a deficient number, since it is larger than the sum of its proper divisors (19159721968135).

51436327337465 is a wasteful number, since it uses less digits than its factorization.

51436327337465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156701.

The product of its digits is 114307200, while the sum is 59.

The spelling of 51436327337465 in words is "fifty-one trillion, four hundred thirty-six billion, three hundred twenty-seven million, three hundred thirty-seven thousand, four hundred sixty-five".